Finding the Fourth Proportional to 2,639,638.72, 3,642,701.52 and 1,432,414.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,639,638.72 : 3,642,701.52 = 1,432,414.72 : x
2. Step 2: Convert to fraction form
   2,639,638.72/3,642,701.52 = 1,432,414.72/x
3. Step 3: Cross multiply
   2,639,638.72x = 3,642,701.52 × 1,432,414.72
4. Step 4: Simplify right side
   2,639,638.72x = 5,217,859,277,814.37
5. Step 5: Solve for x
   x = 5,217,859,277,814.37/2,639,638.72
6. Step 6: Final answer
   x = 1,976,732.36